Business Details
50+ Years
experience
Emergency
services
Custom Home Builders in St. Thomas, ON
Since 1968, Donwest Construction has been dedicated to crafting quality, affordable homes for families in St. Thomas and surrounding areas. Our approach centers on listening to clients' unique needs and collaborating closely to design personalized dream homes. Over five decades, we have expanded our expertise to include custom homes, condominiums, and high-end housing while maintaining our founding commitment to community and affordability. Our team works diligently to guide clients through every step of the building process, from land assessment to final construction. We prioritize transparency, offering clear insights into costs, zoning regulations, and service availability to ensure realistic budgeting.As a registered member of the Tarion Warranty Corporation since 1976, we provide comprehensive warranty coverage and dedicated post-construction support. Our legacy of excellence is reflected in our involvement with local homebuilder associations and our contributions to St. Thomas's residential growth. With a full-time Warranty Administrator and emergency support system, we ensure long-term client satisfaction. Our team of professionals, including designers, supervisors, and customer service experts, remains committed to delivering reliable, client-focused service. This enduring dedication to quality, community, and innovation continues to define our work under new ownership since 2019.
Services
Custom Home Building
House Plans
Community Developments
Warranty Services
Land Consultation
Design Consultations
Rural Property Assessments
Urban Lot Development
Pre-Delivery Inspections
Emergency Support
Details
- Year established: 1968
Highlights and features
- We offer over 50 years of custom home-building experience in St. Thomas.
- Our team provides personalized design consultations tailored to client preferences.
- We maintain a dedicated Warranty Administrator for post-construction support.
- Registered with Tarion Warranty Corporation since 1976 for reliable coverage.
- Active involvement in local homebuilder associations and community development.
Associations and certifications
- Tarion Warranty Corporation
Services
Custom Home Building
Design and construct personalized residences tailored to client preferences. Our process includes land assessment, zoning guidance, and cost estimation to ensure practical, dream homes. We specialize in adapting to rural or urban settings while maintaining quality and affordability.
House Plans
Offer a range of pre-designed floor plans, including bungalows and two-storey homes, with options for customization. Clients can modify layouts, finishes, and features to suit their lifestyle needs while benefiting from our decades of design expertise.
Warranty Services
Provide comprehensive warranty coverage through Tarion Certification. Our dedicated administrator addresses repair requests promptly, ensuring long-term satisfaction. Emergency contacts are available outside business hours for urgent issues.
Land Consultation
Evaluate rural or urban lots for build feasibility, including service availability, zoning rules, and cost implications. We guide clients through setbacks, soil conditions, and infrastructure requirements to create realistic project budgets.
Community Developments
Develop residential communities like Sandymount and MacLeod Court. These projects combine modern living with community-focused design, offering clients options for urban living in growing St. Thomas neighborhoods.
People
Jason McWhirter
President
Leading Donwest Construction with over two decades of construction industry experience. Jason oversees operations and strategic growth while maintaining commitment to quality and client satisfaction.
Lyndsay Sibley
Vice President
Managing day-to-day business operations with extensive knowledge of local housing markets. Lyndsay ensures smooth project execution and client communication across all developments.
Mike Pattenden
Director of Customer Service and Warranty
Handling post-construction support with a focus on efficient warranty administration. Mike leads emergency response coordination and maintains Tarion compliance standards for client protection.
Questions
What areas do you serve for custom home construction?
We primarily serve St. Thomas, Ontario, and surrounding areas including Sandymount and MacLeod Court communities.
How long has Donwest Custom Homes been in business?
We've been building homes in Southwestern Ontario since our founding in 1968.
Do you offer warranty services for new homes?
Yes, all our homes come with Tarion Warranty Corporation coverage as required by Ontario law.
Can I customize my home design?
Absolutely - our Design Consultant works with you to personalize any floor plan or create a completely custom home.
How do you handle emergency repairs after purchase?
We provide an Emergency Contact List for after-hours issues while maintaining regular support through our Warranty Administrator.
Reviews (2)
Paul McCracken
Feb 02, 2022
Report
What use to be a great company that valued quality and customer service in a professional manner has gone completely downhill after control was assumed by Jason McWhirter. We have quarter inch cracks running along the main wall of our house and Jason has "personally" inspected them and determined that it is normal shrinkage. Make sure you deal with Tarion and not the Company. I would never consider them again based solely on the one individual.
Calin Popescu Office Wave
Nov 09, 2021
Report
Seven years after submitting our repair list in the first year of our purchase and receiving assurances (for the past 7 years) the fixes would be completed now I'm being told "The fact that you still think someone is coming to fix anything for free after our conversation is bizarre, considering the Tarion warranty on most items is only 1 year." The request for fixes is not for anything that has come up in the last few years, but from our first year of ownership - submission made to Tarion Warranty and requested for repair. Documentation was provided both to Tarion as well as Don West. Caution,
